(19)
(11) EP 1 503 961 A1

(12)

(43) Date of publication:
09.02.2005 Bulletin 2005/06

(21) Application number: 03726860.4

(22) Date of filing: 12.05.2003
(51) International Patent Classification (IPC)7C02F 9/00, C02F 1/72
(86) International application number:
PCT/US2003/015166
(87) International publication number:
WO 2003/095375 (20.11.2003 Gazette 2003/47)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 13.05.2002 US 145340

(71) Applicant: E.I. du Pont de Nemours and Company
Wilmington, DE 19898 (US)

(72) Inventors:
  • CAMP, Carl, Eugene
    Wilmington, DE 19808 (US)
  • HNAT, John, George, Jr.
    Nottingham, PA 19362 (US)

(74) Representative: Abitz, Walter, Dr.-Ing. 
Patentanwälte Abitz & Partner,Poschingerstrasse 6
81679 München
81679 München (DE)

   


(54) PROCESS FOR THE REMOVAL OF ORGANIC SULFUR IN WASTEWATER INCLUDING AN OXIDATIVE PRETREATMENT